Donald Lambert ranks in jazz history as one of the great unknown stride pianists. In the late '20s, he was a top pianist appearing regularly at rent parties and clubs in Harlem. However, by the 1930s he preferred to stay in New Jersey, playing in out-of-the-way clubs. He recorded four brilliant solos for Bluebird in 1941 in which he strided various classical themes. Other than privately recorded sets from 1960-1962 that were released decades later by Solo Art, IAJRC, and two on Pumpkin, that is all the documentation that exists of Donald Lambert. But even with the low quantity...